.tin_button {
    display:inline;
  border: none;
  border-top-color: currentcolor;
  border-top-style: none;
  border-top-width: medium;
  border-right-color: currentcolor;
  border-right-style: none;
  border-right-width: medium;
  border-bottom-color: currentcolor;
  border-bottom-style: none;
  border-bottom-width: medium;
  border-left-color: currentcolor;
  border-left-style: none;
  border-left-width: medium;
  border-image-outset: 0;
  border-image-repeat: stretch;
  border-image-slice: 100%;
  border-image-source: none;
  border-image-width: 1;
  display: inline-block;
  outline: 0;
  outline-color: currentcolor;
  outline-style: none;
  outline-width: 0px;
  padding: 8px 18px;
  padding-top: 8px;
  padding-right: 18px;
  padding-bottom: 8px;
  padding-left: 18px;
  margin-top: 15px;
  margin-bottom: 10px;
  vertical-align: middle;
  overflow: hidden;
  overflow-x: hidden;
  overflow-y: hidden;
  text-decoration: none;
  text-decoration-line: none;
  text-decoration-style: solid;
  text-decoration-color: currentcolor;
  text-decoration-thickness: auto;
  color:
    #fff;
  background-color:
    #e9686b;
  text-align: center;
  transition: .2s ease-out;
  transition-property: all;
  transition-duration: 0.2s;
  transition-timing-function: ease-out;
  transition-delay: 0s;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0px 2px 6px rgba(0, 0, 0, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.24);
  font-family: '微软雅黑';
  border-radius: 2px;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  border-bottom-left-radius: 2px;
  }
  .description_white {
    display:inline;
  border: none;
  border-top-color: currentcolor;
  border-top-style: none;
  border-top-width: medium;
  border-right-color: currentcolor;
  border-right-style: none;
  border-right-width: medium;
  border-bottom-color: currentcolor;
  border-bottom-style: none;
  border-bottom-width: medium;
  border-left-color: currentcolor;
  border-left-style: none;
  border-left-width: medium;
  border-image-outset: 0;
  border-image-repeat: stretch;
  border-image-slice: 100%;
  border-image-source: none;
  border-image-width: 1;
  display: inline-block;
  outline: 0;
  outline-color: currentcolor;
  outline-style: none;
  outline-width: 0px;
  padding: 8px 18px;
  padding-top: 8px;
  padding-right: 18px;
  padding-bottom: 8px;
  padding-left: 18px;
  margin-top: 15px;
  margin-bottom: 10px;
  vertical-align: middle;
  overflow: hidden;
  overflow-x: hidden;
  overflow-y: hidden;
  text-decoration: none;
  text-decoration-line: none;
  text-decoration-style: solid;
  text-decoration-color: currentcolor;
  text-decoration-thickness: auto;
  color:
    #000;
  background-color:
    #fff;
  text-align: center;
  transition: .2s ease-out;
  transition-property: all;
  transition-duration: 0.2s;
  transition-timing-function: ease-out;
  transition-delay: 0s;
  white-space: nowrap;
  box-shadow: 0px 2px 6px rgba(0, 0, 0, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.24);
  font-family: '微软雅黑';
  border-radius: 2px;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  border-bottom-left-radius: 2px;
  }
  .sameline{
      display:inline;
  }
  #question{
      font-family: "kaiti";
      font-size: 24px;
  }
.hidden_ans{
    background-color: #000;
    color: #000;
}.shown_ans{
    background-color: #fff;
    
    color:#000
}
#answerholder{
  font-family: "kaiti";
  font-size: 24px;
}
.methodsk{
    border-top-color: #000;
border-top-style: dotted;
border-top-width: 1px;
border-right-color: #000;
border-right-style: dotted;
border-right-width: 1px;
border-bottom-color: #000;
border-bottom-style: dotted;
border-bottom-width: 1px;
border-left-color: #000;
border-left-style: dotted;
border-left-width: 1px;
}.tnxsty{
  font-family: "kaiti";
  font-size: 24px;
}.middle{
  border:
black dotted 1px;

background:
aliceblue;

box-shadow: 0px 4px 8px
rgba(0, 0, 0, 0.12), 0px 4px 4px
rgba(0, 0, 0, 0.24);

margin-top: 10px;

margin-bottom: 10px;
padding: 10px;
}.title_content{

}.small_button{
  float: right;
  margin:0;
    display:inline;
  border: none;
  border-top-color: currentcolor;
  border-top-style: none;
  border-top-width: medium;
  border-right-color: currentcolor;
  border-right-style: none;
  border-right-width: medium;
  border-bottom-color: currentcolor;
  border-bottom-style: none;
  border-bottom-width: medium;
  border-left-color: currentcolor;
  border-left-style: none;
  border-left-width: medium;
  border-image-outset: 0;
  border-image-repeat: stretch;
  border-image-slice: 100%;
  border-image-source: none;
  border-image-width: 1;
  display: inline-block;
  outline: 0;
  outline-color: currentcolor;
  outline-style: none;
  outline-width: 0px;
  padding: 8px 18px;
  padding-top: 4px;
  padding-right: 10px;
  padding-bottom: 4px;
  padding-left: 10px;
  vertical-align: middle;
  overflow: hidden;
  overflow-x: hidden;
  overflow-y: hidden;
  text-decoration: none;
  text-decoration-line: none;
  text-decoration-style: solid;
  text-decoration-color: currentcolor;
  text-decoration-thickness: auto;
  color:
    #fff;
  background-color:
    #e9686b;
  text-align: center;
  transition: .2s ease-out;
  transition-property: all;
  transition-duration: 0.2s;
  transition-timing-function: ease-out;
  transition-delay: 0s;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0px 2px 6px rgba(0, 0, 0, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.24);
  font-family: '微软雅黑';
  border-radius: 2px;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  border-bottom-left-radius: 2px;
  }.question_holder{
    display: block;
    min-height: 30px;
  }.small_button_root{
    margin:0;
    display:inline;
  border: none;
  border-top-color: currentcolor;
  border-top-style: none;
  border-top-width: medium;
  border-right-color: currentcolor;
  border-right-style: none;
  border-right-width: medium;
  border-bottom-color: currentcolor;
  border-bottom-style: none;
  border-bottom-width: medium;
  border-left-color: currentcolor;
  border-left-style: none;
  border-left-width: medium;
  border-image-outset: 0;
  border-image-repeat: stretch;
  border-image-slice: 100%;
  border-image-source: none;
  border-image-width: 1;
  display: inline-block;
  outline: 0;
  outline-color: currentcolor;
  outline-style: none;
  outline-width: 0px;
  padding: 8px 18px;
  padding-top: 4px;
  padding-right: 10px;
  padding-bottom: 4px;
  padding-left: 10px;
  vertical-align: middle;
  overflow: hidden;
  overflow-x: hidden;
  overflow-y: hidden;
  text-decoration: none;
  text-decoration-line: none;
  text-decoration-style: solid;
  text-decoration-color: currentcolor;
  text-decoration-thickness: auto;
  color:
    #fff;
  background-color:
    #e9686b;
  text-align: center;
  transition: .2s ease-out;
  transition-property: all;
  transition-duration: 0.2s;
  transition-timing-function: ease-out;
  transition-delay: 0s;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0px 2px 6px rgba(0, 0, 0, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.24);
  font-family: '微软雅黑';
  border-radius: 2px;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  border-bottom-left-radius: 2px;
  }.base_button{
    margin:3;
    display:inline;
  border: none;
  border-top-color: currentcolor;
  border-top-style: none;
  border-top-width: medium;
  border-right-color: currentcolor;
  border-right-style: none;
  border-right-width: medium;
  border-bottom-color: currentcolor;
  border-bottom-style: none;
  border-bottom-width: medium;
  border-left-color: currentcolor;
  border-left-style: none;
  border-left-width: medium;
  border-image-outset: 0;
  border-image-repeat: stretch;
  border-image-slice: 100%;
  border-image-source: none;
  border-image-width: 1;
  display: inline-block;
  outline: 0;
  outline-color: currentcolor;
  outline-style: none;
  outline-width: 0px;
  padding: 4px 4px;
  vertical-align: middle;
  overflow: hidden;
  overflow-x: hidden;
  overflow-y: hidden;
  text-decoration: none;
  text-decoration-line: none;
  text-decoration-style: solid;
  text-decoration-color: currentcolor;
  text-decoration-thickness: auto;
  color:
    #fff;
  background-color:
    #e9686b;
  text-align: center;
  transition: .2s ease-out;
  transition-property: all;
  transition-duration: 0.2s;
  transition-timing-function: ease-out;
  transition-delay: 0s;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0px 2px 6px rgba(0, 0, 0, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.24);
  font-family: '微软雅黑';
  border-radius: 2px;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  border-bottom-left-radius: 2px;
  }